142989528 has 64 divisors (see below), whose sum is σ = 406944000. Its totient is φ = 41444480.

The previous prime is 142989523. The next prime is 142989529. The reversal of 142989528 is 825989241.

142989528 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142989523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5703 + ... + 17846.

It is an arithmetic number, because the mean of its divisors is an integer number (6358500).

Almost surely, 2^142989528 is an apocalyptic number.

It is an amenable number.

142989528 is an abundant number, since it is smaller than the sum of its proper divisors (263954472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142989528 is a wasteful number, since it uses less digits than its factorization.

142989528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23592 (or 23588 counting only the distinct ones).

The product of its digits is 414720, while the sum is 48.

The square root of 142989528 is about 11957.8228787685. The cubic root of 142989528 is about 522.9193879560.

The spelling of 142989528 in words is "one hundred forty-two million, nine hundred eighty-nine thousand, five hundred twenty-eight".